Get your taxes done using TurboTax

You don't go through it again.  You go to the "File" tab which should show the Federal already filed and the state ready to file.  And yes, the Federal and state are linked together - you cannot e-file a state until the Federal return in the same account has been e-filed and accepted.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**